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On catchup, process each row with its own stream id (#7286)

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Other parts of the code (such as the StreamChangeCache) assume that there will
not be multiple changes with the same stream id.

This code was introduced in #7024, and I hope this fixes #7206.
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Richard van der Hoff 2020-04-20 11:43:29 +01:00 • committed by GitHub
parent 054c231e58
commit 0f8f02bc39
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3 changed files with 72 additions and 5 deletions
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synapse/util/caches/stream_change_cache.py
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@ -126,6 +126,9 @@ class StreamChangeCache(object):
"""
assert type(stream_pos) is int
# FIXME: add a sanity check here that we are not overwriting existing
# data in self._cache
if stream_pos > self._earliest_known_stream_pos:
old_pos = self._entity_to_key.get(entity, None)
if old_pos is not None: